血液型くん! 4

"A Simple Thinking About Blood Type 4" (Ketsuekigata-kun! 4) is a Japanese short-form television anime series, the fourth season of the anime adaptation based on the Korean four-panel webcomic "A Simple Thinking About Blood Type" by Real Crazy Man. This season continues the lighthearted approach of the previous seasons, exploring the personality traits and behavioral patterns of people with different blood types in a humorous way. The characters in the anime are named after their respective blood types, such as Type A-kun, Type B-kun, Type O-kun, and Type AB-kun, as well as their female counterparts. Each episode revolves around everyday scenarios, showcasing the differences and similarities between various blood types through exaggerated performances and humorous dialogue. This anime is beloved for its simple and straightforward style, and its entertaining interpretation of blood type personalities. Season 4 aired in 2016, and was co-produced by Assez Finaund Fabric., feel., and ZEXCS. Kenichi Yamashita served as the series composer, and Yoshihisa Oyama directed the series. The anime's theme song is "Sayonara Full Moon" (さよならフルムーン), performed by Kyoko Narumi.